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Repair a shell that is out of round

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You will have to do more that get it wet. Maybe soak it for a few days, but it really needs steam to soften the wood cells enough to get them to stretch properly. Your probably not gonna go through the hassle of building a steam box for it. Soaking in water will pretty much ruin it. The more I look at it the more I think, get a new one.


Thank you!
Jeff C

"Enjoy every sandwich" Warren Zevon
Posted on 11 years ago
#11
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From jccabinets

The more I look at it the more I think, get a new one.

My sentiments precisely! :p

Thanks for taking a look, Jeff. I wanted to hear what you thought of it.

John

Too many great drums to list here!

http://www.walbergandauge.com/VintageVenue.htm
Posted on 11 years ago
#12
Posts: 1072 Threads: 89
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John n Jeff.....im thinking if theres a will there is a way.

Gotta cupl ?s b4 id give up. Is it possible to wet the wood enough to shape it by using what ever works?

I was thinking if ya could get it workable, you could put disc inside and braces simular to the one in the video. Dang here i go thinking again.

Stay Wiggly,
Robyn
Posted on 11 years ago
#13
Posts: 1072 Threads: 89
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From Bondo

It is an 8". I just acquired a 6" and 8" walnut cortex for cheap.The 6" is pretty good.I am thinking of wetting the shell and placing a wood or plexiglass disc in the shell cut exactly to the inside diameter and letting it dry.I don't think it would hurt to try. If it fails I guess I can salvage the parts and wrap and find another bare 8" shell.Another project added to the never ending scroll of drum projects.

Just read this post. I was thinking the same thing. Its worth a try, i would if i had it. I would use wood disc, like a 2by10 n cut out a circle. I thought it looked like a 10".

Stay Wiggly,
Robyn
Posted on 11 years ago
#14
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To get the shell wet enough the wood will expand and I would think the adhesive between the plys would fail and the shell would de-laminate.What does plywood do when it get wet? It de-laminates. That why we went to OSB (Oriented strand board) for subflooring in new homes several years ago, and it swells up if it gets wet.

Its moisture + temperature that

makes those wood cells want to bend. The temp needs to get to 212. degrees. And were talking about soild wood here, not a laminated shell. so Im not sure if steam is the answer either. Thats why it need's steam, not just water. Bondo might as well try it though, he has nothing to loose.


Thank you!
Jeff C

"Enjoy every sandwich" Warren Zevon
Posted on 11 years ago
#15
Posts: 108 Threads: 15
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From jccabinets

Wow, if you end up fixing that you deserve restoration of the year award. I didn't watch the video, does it mention steaming the shell? I did watch it in a different thread a few weeks ago but cant remember the details. I see what John is saying about throwing it out but at the same time it would be a challenge, and if your like me, you will challenge it.Good luck, please post your progress.

The video did not mention steaming the shell but spraying a 70 water/30 wood glue solution into the plies, filling any voids with wood glue and spraying again to make sure the wood is very pliable. A wood disc was inserted the exact size of the interior and the outside was strap clamped. I will take this on. I will follow up. I don't know if it will happen immediately though.

Ludwig old school
Posted on 11 years ago
#16
Posts: 430 Threads: 15
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From Bondo

Thanks for the responses! Very helpful. Here is what I am dealing with. Ludwig with no re-rings.

Don't waste your time.

Posted on 11 years ago
#17
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Gentlemen... Please tell me what you think of my internal brace invention!

With this turnbuckle, you can repeatedly steam/soften the drum shell and 'gradually,' in stages, increase the pressure from the inside out using shell fragments of the same diameter as the drum you're working on. What do you think? Useable tool? It can be cobbled together with scrap wood, a turnbuckle that will fit inside the drum and two end-caps to attach the turnbuckle to the shell pieces.

[IMG]http://i1143.photobucket.com/albums/n632/PurdieShuffle/contraption_zpsa032c0ca.jpg[/IMG]

After I made the model in Photoshop, I thought it looked like a fighter from Star Wars!

John

Too many great drums to list here!

http://www.walbergandauge.com/VintageVenue.htm
Posted on 11 years ago
#18
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John,

Great photoshop work. It does look something like Darth Vadar's TIE fighter. Only flaw I see in your plan is that you need to cut a spare, in-round shell of the same diameter (10") in half to make this jig... um, why not just leave the spare shell intact and use it to replace the old deformed one?:rolleyes:

Mike

-No Guru... still learning more every day-
Posted on 11 years ago
#19
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John

Your over thinking it now,lol! You were the first one to suggest throwing it away, and now I agree with that!


Thank you!
Jeff C

"Enjoy every sandwich" Warren Zevon
Posted on 11 years ago
#20
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